Radiative decay engineering: new vistas for fluorescent materials with exceptional properties

Joerg Enderlein

doi:10.1117/12.463831

28 March 2002 Radiative decay engineering: new vistas for fluorescent materials with exceptional properties

Joerg Enderlein

Proceedings Volume 4634, Methods for Ultrasensitive Detection II; (2002) https://doi.org/10.1117/12.463831
Event: High-Power Lasers and Applications, 2002, San Jose, California, United States

Abstract

It is long known that the fluorescence properties of dyes are significantly changed when closely approaching a metal surface. This is caused by the strong electromagnetic coupling between evanescent modes of the fluorophores' radiation and the electron gas of the metal. In extreme cases, the fluorescence is completely quenched by the metal. However, under favorite conditions, the dye/metal interaction can strongly enhance the fluorescence instead of quenching it. In the present paper, the fluorescence properties of dye within a spherical nanocavity is theoretically studied, and it is shown that the fluorescence brightness and photostability can be enhanced by several orders of magnitude.

Citation Download Citation

Joerg Enderlein "Radiative decay engineering: new vistas for fluorescent materials with exceptional properties", Proc. SPIE 4634, Methods for Ultrasensitive Detection II, (28 March 2002); https://doi.org/10.1117/12.463831

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